1. 1 boneless, skinless chicken breast, about 3/4 pound
2. 1 quart unsalted chicken stock -- or substitute with vegetable stock
3. 1/4 cup long-grain rice - Jasmine Rice
4. Sea salt and freshly ground pepper
5. 3 large egg yolks
6. 1/3 cup fresh lemon juice, plus more as needed
7. Chopped fresh dill for garnish
OPTIONAL: 3 tablespoons cornstarch dissolved in 3 tablespoons water (Adding cornstarch stabilizes the soup for a longer period, so it can be a useful addition if you plan to make the soup ahead of time)